Food Coin Bag (healthy wallet) provides a platform for all information to be stored on the chain and to provide information query and proof. Health Wallet has the core technology of low latency and high concurrency in the matching transaction system. The greatest significance of the health wallet is to truly prove the authenticity of the content, but there are problems in traditional industries such as easy loss, easy destruction, easy modification, difficult query, and difficult to distinguish the authenticity. The decentralization, distributed storage, non-tamperable, open and transparent characteristics of blockchain provide strong technical support for food health preservation and notarization. Blockchain technology has absolute advantages and wide application scenarios in the field of food health and great value. The health wallet entry platform uses an intuitive front-end interface to create a new block electronic certificate for each member. All personal information will be recorded on the blockchain in the form of a personal account book to generate a unique blockchain hash as a number of each member.